Device for sharpening saws



(No Model.)

J. W. BOUGHTON & J. M. SNIDOW.

DEVICE FOR SHARPENING SAWS.

No. 361,485. Patented Ap'r. 19, 1887.

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. nally-extending groove, K, to receive the point UNITED STATES PATENTOFFICE.

JOHN w. EoUoHroN, or PHILADELPHIA, PENNSYLVANIA, AND J. MILTON sNIDow,OF BIG STONY CREEK, VIRGINIA.

DEVICE FOR SHARPENING SAWS.

SPECIFICATION forming part of Letters Patent No. 361,485, dated April19, 1887.

Application filed May 29, 1886.

To all whom, it may concern:

Be it known that we, JOHN W. BOUGHTON, of the city and county ofPhiladelphia and State of Pennsylvania, and J. MILTON SNIDOW, of BigStony Creek, in the county of Giles and State of Virginia, both citizensof the United States, have invented a new and useful Iniprovement inGuides for Saw Sharpeners, which improvement is fully set forth in thefollowing specification and accompanying drawings, in which Figures 1and 2 represent side elevations, partly sectional, of a guide for asaw-sharpener embodying our invention. Fig. 3 represents a top viewthereof, and Fig. 4 represents a perspective view of a detached portion.

Similar letters of reference indicate corresponding parts in the severalfigures. I

Our invention consists of a guide for a sawsharpener so constructed thatthe filing or sharpening operation may be performed true andconveniently.

Referring to the drawings, A represents an arm, which is provided with aclamping device, B, whereby said arm may be connected with the frame ofa sawing-machine or other support in relation to the saw to besharpened.

Formed with the upper end of the arm A are bosses G 0, within which isfitted a vertically-arranged screw-rod, D, whose upper end has formedwith or secured to it bosses E, within which is fitted ahorizontally-arranged screw-rod, F.

The screw-rod D is formed with a longitudinally-extending groove, G, toreceive the point or end of a screw, H, which is fitted to one of thebosses C, forming a feather-connection, so that the rod may be raisedand lowered and prevented from rotating. A nut, J, is fitted on the rodD, between the bosses 0, whereby it is held in position, and by itsrotation the rod D receives vertical motion.

The screw-rod F is formedwith a longitudior end of a screw, L, which isfitted to one of the bosses E, forming a feather-connection, so thatsaid rod F may be moved laterally or horizontally and prevented fromrotation. A nut, M, is fitted on therod F, between the bosses E, wherebyit is held in position, and by its rotation the rod F receives lateralmotion.

Serial No. 203,627. (No model.)

At one end of the rod F is an eye,N,through which is passed afile-holder, P, the same con sisting of a rod or bar having at one end asocket, Q, to receive the point or front end of a file, said sockethaving screws R, for firmly clamping the file to the holder.

The rods D F are provided, respectively, with jam-nuts S T, whichtighten against the adjacent bosses for holding said rods firmly inposition.

An arm, U, having an eye, U, at one end, is horizontally mounted on thevertical rod D, between the head and the upper boss 0. This arm may beraised or lowered on the said rod, 6

and is secured in position by the screw V. The outer end of the said armis adapted to bear against the saw while the latter is being sharpened,aiding in holding the same in a fixed or steady position, so as tolessen the vi- 7: brations thereof.

\ The operation is as follows: The nuts J M are rotated until the fileis in proper position relatively to the saw to be sharpened, and inorder to make the adjustment of the file true we use a proper square orimplement, (shown in dotted lines, Fig. 1,) and when said adjustment isaccomplished the nuts S T are tightened, after which the saw may befiled or sharpened by the operation of the file, the latter beinggrasped by the handle and operated uniformly and expeditiously, owing tothe guiding and sustaining action of the file-holder P in the eye N.

Having thus described our invention, what we claim asnew, and desire tosecure by Letters Patent, is-

1. A guide for a saw-sharpener, having the rod D vertically adjustableon the supportingarm A, and provided with the file-holder 1, all of saidparts being combined and arranged substantially as and for the purposeset forth.

2. A guide for a saw-sharpener, having the vertically-adjustable rod D,the horizontallyadjustable rod F,supported by said vertical rod D, andthe file-holder. P, supported by said horizontal rod F, all of saidparts being combined and arranged substantially as and for the purposeset forth.

3- A guide fora saw-sharpener, consisting of 100 the arm A, providedwith the clamping de-' vice B, the rod D,vertically adjustable in bossesGot the arm A, the rod F, horizontally adj ustable in bosses E of therod D, and the file-holder I, supported by said horizontal rod, all ofsaid parts being combined substantially as and for the purpose setforth.

4. In a guide for a sawsharpener, the arm A, with clamping device 13 andbosses O, in I combination with the screwrod D, having groove G, the nutJ on rod D, between the bosses C, screw H, inserted in boss 0 and havingits point in groove G, the horizontally-adjustable rod F, sustained inbosses E of rod D, and holder P, with socket 0, all substantially as andfor the purpose setforth.

5. A guide for a saw-sharpener, consisting of the arm A, having clampingdevice B, the serew rod D, sustained by said arm A and verticallyadjustable thereon, the horizontal ad juslable rod F, supported by saidrod D and provided at one end with the eye N, and the file-holder P,passing through said eye N and having asoeket, 0, all of said partsbeing combined substantially as described.

6. A guide for a saw-sharpener, having the arm A, with clamping deviceB, the vertical rod D, supported by said arm A, means, substantiall y asdescribed, for vertically adjusting said rod D, the horizontal rod F,supported by said vertical rod D and having means, substantially asdescribed, fol-lateral adjustment, and the arm V, vertically adjustablysecured to said rod D, all of said parts being combined substantially asand for the purpose set forth.

7. In a guide for a sawsharpener, the horizontal arm V, verticallyadjustably attached to the vertical adjustable rod D and having itsouter end adapted to bear against the saw while the same is beingground, all combined substantially as and for the purpose set forth.

8. In a guide for a saw-sharpener, the horizontal arm V, verticallyadjustably attached to said guide and havingits outer end adapted tobear against the saw while the same is being ground, all substantiallyas described.

9. A guide for a saw-sharpener, having the file-holder P, laterally adjustable and provided with a socket, all of said parts combinedsubstantially as described.

10. In a guide for a saw-sharpener, the arm A, having clamping device13, in combination with the rod D, vertically adjustable on said arm A,and the horizontal arm V, vertically adjustable on said rod D and havingits outer end adapted to bear against the saw While the same is beingground, all substantially as described.

JOHN \V. BOUGHTON. J. M. SNIDOV.

Vitness as to J. V. Boughtou:

J OHN A. WIEDERsnEnr, A. P. GRANT.

Vitncss as to J. M. Snidow:

Gno. W. LINVILLE, LEWIS MCDONALD.

